package com.firewolf.springboot.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringUtil2 implements ApplicationContextAware {

	private static ApplicationContext context = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if (SpringUtil2.context == null) {
			SpringUtil2.context = applicationContext;
		}
		System.out.println(
				"========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="
						+ SpringUtil2.context + "========");
	}

	// 获取applicationContext
	public static ApplicationContext getApplicationContext() {
		return context;
	}

	// 通过name获取 Bean.
	public static Object getBean(String name) {
		return getApplicationContext().getBean(name);
	}
	
	// 通过class获取Bean.
	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	// 通过name,以及Clazz返回指定的Bean
	public static <T> T getBean(String name, Class<T> clazz) {
		return getApplicationContext().getBean(name, clazz);
	}
}
